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Audi Shows Sequential Turn Signal Of 2015 A8

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Audi will be introducing facelifted versions of its A8 and S8 sedans next month at the 2013 Frankfurt Auto Show, and in the lead up to their arrival the brand with the four rings has been dropping details about some of the new technology that will feature on the cars. Audi has already confirmed that the new A8 range will feature Matrix LED headlight technology, which allows a car’s high beam to be left permanently on without blinding other drivers.

Now, Audi has revealed a new sequential turn signal where individual LEDs illuminate in a defined sequence in the direction that the driver wishes to take. This is said to make it easier for others to perceive the driver’s intentions, even under difficult conditions. Audi says the new turn signal can be clearly and quickly perceived, even at long distances and in poor visibility.

The turn signal features 18 individual LEDs arranged in a strip that is subdivided into seven blocks. For the turn signal in each of the tail lights, there are 24 LEDs in eight segments. During flashing, the blocks are sequentially activated at 20 millisecond intervals, from the inside outwards in the desired turning direction. After 150 milliseconds, all segments are bright; for another 250 milliseconds they illuminate with full intensity. Afterwards, the turn signals go dark before repeating the lighting sequence.

Unfortunately for readers here in the U.S., the new turn signal is unlikely to be fitted to locally delivered cars due to current regulations. Those regulations also mean we miss out on the new Matrix LED technology as well. A number of automakers, including Audi, are petitioning the National Highway Traffic Safety Administration to have the regulations changed, however.

Spy shots of prototypes reveal few changes for the styling of the 2015 A8, which isn't exactly a bad thing as the big Audi sedan is one of the most stately looking vehicles on the market and continues to sell in respectable numbers.

As mentioned, the 2015 Audi A8 range will be presented at the 2013 Frankfurt Auto Show, which kicks off on September 10, though the online reveal will take place on August 21. To see what else will be in Frankfurt, as well as keep abreast of our latest updates, be sure to bookmark our dedicated show hub.

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